Firearm grip accessory



FIG. 1 is a front elevational view of a firearm grip accessory showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a top isometric view thereof; and,

FIG. 8 is a bottom isometric view thereof.

The broken line showing on the surfaces of the claimed design represents stitching and forms a part of the claimed design. 

CLAIM The ornamental design for a firearm grip accessory, as shown and described. 